A randomized 25 question test from a pool of 761 questions, good luck!
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves input register # 30009?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control strategy to be programmed once the I/O for the controllers was configured?
Which of the answers below best represents the most common way to indicate the range of frequencies that can be used for a transmission system with little or no attenuation?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the switch interacts with?
There are several different network access methods available to wired Ethernet. Which of the methods below is the one used by wired Ethernet?
The data transmission in HDX mode travels in _____ direction(s)? Choose the best answer from the ones provided to fill in the blank
Which one is best described as connecting the input signal of a device, with the output of the converter itself?
Historical data can be logged through a HMI application. Which of the data storage methods below would best be described as one that has superior acquisition of events, but does not use it's storage space effectively?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog output memory location?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would allow power lines to carry stable low-speed communication?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE server application ?
Which of the error detection methods below best relates to the term "parity bit"?
The biggest register that Modbus supports is 16-bit. Which of the terms below is used for the process to support 32-bit data?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the block does not support a cascade path and the value quality is good?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship HMI operating system?
Balanced and unbalanced signal systems have several differences. Which of the answers below best represents one of those differences?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input status registers addresses?
Which of the answers below is best represented by the number "7" on a typical H1 segment?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in visual indications of data?
Using the table provided, which answer best represents the letter"H" in hexadecimal?
Which answer below is best described as the RS-485 standard for voltage range to receive a "Space"?